* EAN8Reader.cpp
* ZXing
*
- * Created by Lukasz Warchol on 10-01-25.
* Copyright 2010 ZXing authors All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
namespace zxing {
namespace oned {
-
+
EAN8Reader::EAN8Reader(){ }
-
- int EAN8Reader::decodeMiddle(Ref<BitArray> row, int startRange[], int startRangeLen, std::string& resultString){
+
+ int EAN8Reader::decodeMiddle(Ref<BitArray> row, int startRange[], int startRangeLen,
+ std::string& resultString){
const int countersLen = 4;
int counters[countersLen] = { 0, 0, 0, 0 };
-
+
int end = row->getSize();
int rowOffset = startRange[1];
-
+
for (int x = 0; x < 4 && rowOffset < end; x++) {
- int bestMatch = decodeDigit(row, counters, countersLen, rowOffset, UPC_EAN_PATTERNS_L_PATTERNS);
+ int bestMatch = decodeDigit(row, counters, countersLen, rowOffset,
+ UPC_EAN_PATTERNS_L_PATTERNS);
resultString.append(1, (char) ('0' + bestMatch));
for (int i = 0; i < countersLen; i++) {
rowOffset += counters[i];
}
}
-
- int* middleRange = 0;
- try {
- middleRange = findGuardPattern(row, rowOffset, true, (int*)getMIDDLE_PATTERN(), getMIDDLE_PATTERN_LEN());
- rowOffset = middleRange[1];
-
- for (int x = 0; x < 4 && rowOffset < end; x++) {
- int bestMatch = decodeDigit(row, counters, countersLen, rowOffset, UPC_EAN_PATTERNS_L_PATTERNS);
- resultString.append(1, (char) ('0' + bestMatch));
- for (int i = 0; i < countersLen; i++) {
- rowOffset += counters[i];
- }
- }
- delete [] middleRange;
- return rowOffset;
- } catch (ReaderException const& re) {
- delete [] middleRange;
- throw re;
- }
+ int* middleRange = 0;
+ try {
+ middleRange = findGuardPattern(row, rowOffset, true, (int*)getMIDDLE_PATTERN(),
+ getMIDDLE_PATTERN_LEN());
+ rowOffset = middleRange[1];
+
+ for (int x = 0; x < 4 && rowOffset < end; x++) {
+ int bestMatch = decodeDigit(row, counters, countersLen, rowOffset,
+ UPC_EAN_PATTERNS_L_PATTERNS);
+ resultString.append(1, (char) ('0' + bestMatch));
+ for (int i = 0; i < countersLen; i++) {
+ rowOffset += counters[i];
+ }
+ }
+
+ delete [] middleRange;
+ return rowOffset;
+ } catch (ReaderException const& re) {
+ delete [] middleRange;
+ throw re;
+ }
}
-
+
BarcodeFormat EAN8Reader::getBarcodeFormat(){
return BarcodeFormat_EAN_8;
}